CN1670872A - Touchable security transformer feeder line pulling device and method for making same - Google Patents
Touchable security transformer feeder line pulling device and method for making same Download PDFInfo
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- CN1670872A CN1670872A CN 200510052218 CN200510052218A CN1670872A CN 1670872 A CN1670872 A CN 1670872A CN 200510052218 CN200510052218 CN 200510052218 CN 200510052218 A CN200510052218 A CN 200510052218A CN 1670872 A CN1670872 A CN 1670872A
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- feeder line
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- insulated leg
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Abstract
This invention refers to a safety-leading device for transformer feed line and making method thereof. The charged contact of current feed line of transformer is mostly nudity state, which always results accident. Said invention adopts all sealed mode to pretreat feed line device and then makes rigorous treatment to circuit contact part, which can make the it can be safety contacted to effectively solve the above mentioned problem.
Description
The present invention relates to electric power system power transmission and distribution facility field, mean a kind of touchable security transformer feeder line pulling device and preparation method thereof particularly.Existing transformer lead-out wire all is to pass the casing outside by the high and low pressure porcelain bushing that is fixed on the casing usually, connects mutually with external circuit under naked state then.Because this class contact is charged for a long time, and is in naked state, especially high-pressure side always, always all become the zone of potential safety hazard maximum in each assembly of transformer because of the exposed charged contact of this class.Existing countless examples prove in the practice, and no matter human body, toy or other electric conductor nearly all can't be avoided get an electric shock injures and deaths or short circuit accident near above-mentioned zone! Even also can cause the serious damage of transformer or relevant power transmission and distribution facility, thereby initiation area accident of power supply.Thereby one after transformer puts into operation, and it is drawn the feeder line position and has just become a forbidden zone in transformer installation, debugging, operation, maintenance and the service work.For this reason, related management department has to many safety standards are formulated in the installation and operation of transformer, as setting height(from bottom), protective fence and must not live line working ... or the like, so that make transformer and affiliated facility thereof can only stand high above the masses usually, make us forbidding; Moreover for a long time, the clean and tidy and city civilization construction that sets up the street of transformer also is a troubling difficult problem always.In addition, especially bothersomely be, in the current check maintenance work of transformer, even if some and the irrelevant routine inspection in transformer feeder line position for safety, also must be cut off the electricity supply.So some electrical power trans mission/distribution systems that can normally move are originally had to for this reason and are had a power failure again and again.This class interruption maintenance is to have become right and proper rule if things go on like this! Yet as long as careful the calculation, the direct and indirect economic loss of causing for whole economy society that has a power failure owing to this class is frequent is very important., almost be the safety regulations of " right and proper " owing to face this, although people are dissatisfied, also have no way out!
Notification number provides a kind of solution of transformer lead-out wire box for the Chinese patent of CN 2591732Y.This scheme is isolated from the charged contact of transformer among the one special box, though solved the problem that the transformer lead-out wire is not exposed like this.But, although it is terminated in the certain limit, can prevent the harm that toy or electric conductor bring near above-mentioned zone in the ordinary course of things, because its charged contact still is exposed among the air, even if general regular maintenance and maintenance, still must cut off the electricity supply, like this, still will cause the power failure in this line powering zone inevitably.
The objective of the invention is to, above-mentioned deficiency at prior art, provide a kind of employing totally-enclosed mode that the transformer feeder means is carried out encapsulation process in advance, but carry out the transformer feeder line ejector and preparation method thereof of the safe touch of tight hermetically sealed processing again at its conducting rod and external circuit connecting portion.
Purpose of the present invention can be realized by following steps:
A kind of touchable security transformer feeder line pulling device, comprise insulated leg and the conducting rod that is covered with semi-conductive layer, it is characterized in that a feeder line bearing of being made for close-fitting gapless structure each other by insulated leg (1), conducting rod (2), semi-conductive layer (3) is arranged; Have one to be used for the connector (5) that is connected with external cable heart yearn (4) in conducting rod (2) outer end; Near the cylinder of insulated leg (1) outer end, connector (5) insulation (14) surf zone to external cable (7) link one Sealed casing pipe (8) is being arranged; Be between conducting rod and the insulated leg in the inner stress cone of insulated leg (1) (9) and be seamless tight the linking, a semi-conductive layer (3) is arranged between remainder and the insulated leg; Near on the cylinder of insulated leg (1) outer end seal groove (10) is being arranged.
A kind of manufacture method of touchable security transformer feeder line pulling device, it is characterized in that, the conducting rod (2) that will be covered with semi-conductive layer (3) at predetermined position on request size and fixed-site in the swaging die identical with profile of the present invention, the High-Voltage Electrical Appliances pressure injection that insulate after the special silicone rubber of usefulness or the ethylene-propylene rubber fusion is gone in the mould, get the feeder line bearing through cooling, setting, the demoulding, shaping; This feeder line bearing can substitute traditional high-low pressure porcelain bushing and conducting rod, the oil resistant potted component supporting with it by different electric pressures, is assemblied in advance on transformer or the high-voltage switch gear case.The heart yearn (4) that only needs during installation to be with the external cable (7) of Sealed casing pipe (8), insulated tube (11) and stress control tube (6) respectively inserts in the connector (5) of feeder line bearing; Fill adhesive tape (12) in connector (5) appearance around pricking semi-conductive layer (3) and twining, put stress control tube (6), insulated tube (11) and Sealed casing pipe (8) more respectively; Sealed casing pipe (8) is done deflation handle, it is closely bound round on the cylinder that is tied in external cable (7), insulated tube (11) and insulated leg (1) outer end also snap in closely among the seal groove (10).
Adopt the present invention; because the transformer feeder line is among the reliable insulating material seal protection of relevant voltage grade; especially high pressure feeder line one side; the present invention's insulation property will be higher than the insulative dielectric intensity of identical electric pressure high-tension cable; thereby; even if transformer is under the charging operation state, operating personnel touch the transformer high-voltage feeder line and draw the contact position and also electric shock accidents will never take place.So, for the general routine inspection power failure of just can no longer operating a switch; Especially because whole transformer first and second side feeder line is drawn contact and all is in fool proof and reliable sealing state, whole transformer all has extremely strong water resistance.Like this,, also no longer need to spend huge fund and buy expensive box type transformer, transformer is directly gone underground from electric pole safely if allow transformer land.Even if the moist infiltration of ground machine room lower, even safety problem also could not taken place by water logging in the transformer body! Many power supply facilitiess are fundamentally improved to the influence of the appearance of the city; Moreover, adopt the present invention, simplified the porcelain shell for transformer pipe that continues more than hundred year and accessory thereof, the production of potted component, mounting process greatly, production cost also reduces greatly; Because this device insulated leg and conducting rod are the integrated apparatus that closely is connected, simple installation is easily capable, need not as the conventional high-tension porcelain bushing again to it exit, loaded down with trivial details operation such as oil-filled.
Accompanying drawing 1 is a front view of the present invention, accompanying drawing 2 is cutaway views, accompanying drawing 3 is feeder line bearing cutaway views, accompanying drawing 4 is feeder line bearing vertical views, and accompanying drawing 5 is feeder line bearing upward views, and accompanying drawing 6 is embodiment 2 front views, accompanying drawing 7 is embodiment 2 cutaway views, accompanying drawing 8 is embodiment 2 feeder line bearing cutaway views, and accompanying drawing 9 is embodiment 2 feeder line bearing vertical views, and accompanying drawing 10 is embodiment 2 feeder line bearing upward views.
In the accompanying drawing, the 1st, insulated leg, the 2nd, conducting rod, the 3rd, semi-conductive layer, the 4th, external core, the 5th, connector, the 6th, stress control tube, the 7th, external cable, the 8th, Sealed casing pipe, the 9th, stress cone, the 10th, seal groove, the 11st, insulated tube, the 12nd, fill adhesive tape, the 13rd, inner insulating layer, the 14th, external insulation, the 15th, insulated leg flange.
With implementing the present invention is further described with reference to the accompanying drawings below:
Embodiment 1
At first, will be through rust cleaning, oil removal treatment, and conducting rod (2) that predetermined position is covered with semi-conductive layer (3) on request size and fixed-site in make by traditional handicraft and the swaging die identical with insulated leg profile of the present invention in, and by traditional handicraft, the High-Voltage Electrical Appliances pressure injection that insulate after the special silicone rubber of usefulness or the ethylene-propylene rubber fusion is gone in the mould, get the feeder line bearing through cooling, setting, the demoulding, shaping; This feeder line bearing can substitute traditional high-low pressure porcelain bushing and conducting rod, the oil resistant potted component supporting with it by the different classes of insulation, is assemblied in advance on transformer or the high-voltage switch gear case; Only need during installation the external cable (7) that is with Sealed casing pipe (8), insulated tube (11) and stress control tube (6) is respectively stripped out heart yearn (4), after inner insulating layer (13) end face outer rim chamfering, again heart yearn (4) is inserted in the connector (5); Sanding connector (5) surface, and, form semi-conductive layer (3) at connector (5) outer surface with semi-conductive tape winding wrapping; Position, space between this semi-conductive layer and stress control tube (6) is twined and is filled adhesive tape (12), puts stress control tube (6), insulated tube (11) and Sealed casing pipe (8) more respectively; With Sealed casing pipe (8) do tighten to handle after, make its closely hoop be tied on the cylinder of external cable (7), insulated tube (11) and insulated leg (1) outer end and snap in closely among the seal groove (10).
Embodiment 2
Make elbow insulated leg swaging die by accompanying drawing 8～10 requirements, all the other steps are with embodiment 1.
Claims (5)
1, a kind of touchable security transformer feeder line pulling device, comprise insulated leg and the conducting rod that is covered with semi-conductive layer, it is characterized in that a feeder line bearing of being made for close-fitting gapless structure each other by insulated leg (1), conducting rod (2), semi-conductive layer (3) is arranged; Have one to be used for the connector (5) that is connected with external cable heart yearn (4) in conducting rod (2) outer end; Near the cylinder of insulated leg (1) outer end, connector (5) insulation (14) surf zone to external cable (7) link one Sealed casing pipe (8) is being arranged
2, a kind of touchable security transformer feeder line pulling device as claimed in claim 1, it is characterized in that, be between conducting rod and the insulated leg in the inner stress cone of insulated leg (1) (9) and be seamless tight the linking, a semi-conductive layer (3) is arranged between remainder and the insulated leg;
3, a kind of touchable security transformer feeder line pulling device as claimed in claim 1 is characterized in that, near on the cylinder of insulated leg (1) outer end seal groove (10) is being arranged.
4, a kind of manufacture method of touchable security transformer feeder line pulling device, it is characterized in that, the conducting rod (2) that will be covered with semi-conductive layer (3) at predetermined position on request size and fixed-site in the swaging die identical with profile of the present invention, pressure injection after special silicone rubber or the ethylene-propylene rubber fusion is gone in the mould, get the feeder line bearing through cooling, setting, the demoulding, shaping; The heart yearn (4) of external cable (7) can insert in the connector (5) of feeder line bearing, fills adhesive tape (12) in connector (5) appearance around pricking semi-conductive layer (3) and twining, and puts stress control tube (6), insulated tube (11) and Sealed casing pipe (8) more respectively; With Sealed casing pipe (8) do tighten to handle after, make its closely hoop be tied on the cylinder of external cable (7), insulated tube (11) and insulated leg (1) outer end and snap in closely among the seal groove (10).
5, the manufacture method of a kind of touchable security transformer feeder line pulling device as claimed in claim 4, it is characterized in that, described feeder line bearing can substitute traditional high-low pressure porcelain bushing and kit thereof by different electric pressures, is assemblied in advance on transformer or the high-voltage switch gear case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100522182A CN100538932C (en) | 2005-01-30 | 2005-01-30 | A kind of touchable security transformer feeder line pulling device and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100522182A CN100538932C (en) | 2005-01-30 | 2005-01-30 | A kind of touchable security transformer feeder line pulling device and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1670872A true CN1670872A (en) | 2005-09-21 |
| CN100538932C CN100538932C (en) | 2009-09-09 |
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ID=35042060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100522182A Expired - Fee Related CN100538932C (en) | 2005-01-30 | 2005-01-30 | A kind of touchable security transformer feeder line pulling device and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100538932C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887048A (en) * | 2014-03-18 | 2014-06-25 | 山东达驰电气有限公司 | Transformer lead connection structure |
| CN105280360A (en) * | 2015-10-16 | 2016-01-27 | 苏州腾冉电气设备股份有限公司 | Waterproof connection structure for transformer outgoing cable |
| CN105280359A (en) * | 2015-10-16 | 2016-01-27 | 苏州腾冉电气设备股份有限公司 | Lateral waterproof connection structure for transformer outgoing cable |
| CN110197763A (en) * | 2019-05-14 | 2019-09-03 | 恒源利通电气大厂有限公司 | A kind of outdoor three-phase integral current mutual inductor with stress cone and transistor |
-
2005
- 2005-01-30 CN CNB2005100522182A patent/CN100538932C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887048A (en) * | 2014-03-18 | 2014-06-25 | 山东达驰电气有限公司 | Transformer lead connection structure |
| CN105280360A (en) * | 2015-10-16 | 2016-01-27 | 苏州腾冉电气设备股份有限公司 | Waterproof connection structure for transformer outgoing cable |
| CN105280359A (en) * | 2015-10-16 | 2016-01-27 | 苏州腾冉电气设备股份有限公司 | Lateral waterproof connection structure for transformer outgoing cable |
| CN110197763A (en) * | 2019-05-14 | 2019-09-03 | 恒源利通电气大厂有限公司 | A kind of outdoor three-phase integral current mutual inductor with stress cone and transistor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100538932C (en) | 2009-09-09 |
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Owner name: YUNNAN CHANGJIANG COMPLETE SET ELECTRICAL EQUIPMEN Free format text: FORMER OWNER: YANG JIGUANG Effective date: 20140228 |
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Effective date of registration: 20140228 Address after: 671000 drug Park in Dali Economic Development Zone, Yunnan Patentee after: Yunnan Changjiang complete set of Electrical Equipment Co.,Ltd. Address before: 671000 No. 128 Renmin South Road, Yunnan, Dali Patentee before: Yang Jiguang |
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